Home / 20,250.62-30,337.05-11,459.42

Finding the Fourth Proportional to 20,250.62, 30,337.05 and 11,459.42

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Solution

The fourth proportional to 20,250.62, 30,337.05 and 11,459.42 is: 17,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.62 : 30,337.05 = 11,459.42 : x
  2. Step 2: Convert to fraction form
    20,250.62/30,337.05 = 11,459.42/x
  3. Step 3: Cross multiply
    20,250.62x = 30,337.05 × 11,459.42
  4. Step 4: Simplify right side
    20,250.62x = 347,644,997.51
  5. Step 5: Solve for x
    x = 347,644,997.51/20,250.62
  6. Step 6: Final answer
    x = 17,167.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.